ponder

to think about something for a short period of time.

to think about something in a profound or thorough manner.

to think about something in a solemn and important way.

to think about something with great attention to detail.

to think with a lot of effort.

to think without making a sound.

to think without speaking or making a sound.

to speak one's thoughts as they occur.

preposition used to introduce the subject of one's thoughts.

preposition used to introduce the subject of one's thoughts.

preposition used to introduce the subject of one's thoughts.

to temporarily stop an activity in order to think.

to cease an activity in order to think.

to be compelled by circumstances to think about something seriously.

to go away from someone, allowing them time and space to think.